Now we have a proper C++ library, use std::unique_ptr.

Also remove the Android.libcxx.mk and other bits of stlport compatibility
mechanics.

Change-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61
diff --git a/runtime/mirror/object_test.cc b/runtime/mirror/object_test.cc
index e24602a..18e50ce 100644
--- a/runtime/mirror/object_test.cc
+++ b/runtime/mirror/object_test.cc
@@ -18,6 +18,7 @@
 
 #include <stdint.h>
 #include <stdio.h>
+#include <memory>
 
 #include "array-inl.h"
 #include "art_field-inl.h"
@@ -36,7 +37,6 @@
 #include "object_array-inl.h"
 #include "handle_scope-inl.h"
 #include "string-inl.h"
-#include "UniquePtrCompat.h"
 
 namespace art {
 namespace mirror {
@@ -48,7 +48,7 @@
                     const char* utf16_expected_le,
                     int32_t expected_hash)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
-    UniquePtr<uint16_t[]> utf16_expected(new uint16_t[expected_utf16_length]);
+    std::unique_ptr<uint16_t[]> utf16_expected(new uint16_t[expected_utf16_length]);
     for (int32_t i = 0; i < expected_utf16_length; i++) {
       uint16_t ch = (((utf16_expected_le[i*2 + 0] & 0xff) << 8) |
                      ((utf16_expected_le[i*2 + 1] & 0xff) << 0));
@@ -116,7 +116,7 @@
 TEST_F(ObjectTest, AllocObjectArray) {
   ScopedObjectAccess soa(Thread::Current());
   StackHandleScope<2> hs(soa.Self());
-  Handle<ObjectArray<Object> > oa(
+  Handle<ObjectArray<Object>> oa(
       hs.NewHandle(class_linker_->AllocObjectArray<Object>(soa.Self(), 2)));
   EXPECT_EQ(2, oa->GetLength());
   EXPECT_TRUE(oa->Get(0) == NULL);